基于距离矩阵的星图运动目标检测

王敏; 赵金宇; 陈涛

doi:10.3788/OPE.20172507.1954

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基于距离矩阵的星图运动目标检测

信息科学 | 更新时间：2020-07-07

- 基于距离矩阵的星图运动目标检测
- Moving target detection in star map based on distance matrix
- 光学精密工程 2017年25卷第7期页码：1954-1960
- 作者机构：
  
  1.中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2.中国科学院大学, 北京 100049
- 作者简介：
  
  [ "王敏(1989-), 女, 山东枣庄人, 博士研究生, 2012年于吉林大学获得学士学位, 2012年至今于中国科学院大学长春光学精密仪器与物理研究所硕博连读, 研究方向为复杂背景下的空间目标自动识别及图像处理。E-mail:wmin0805@163.com" ]
  [ "赵金宇(1976-), 男, 内蒙通辽人, 博士, 研究员, 研究生导师, 2006年于中科院长春光学精密机械与物理研究所获得博士学位, 主要从事地基空间目标探测设备软件设备, 图像处理和电控总体工作。E-mail:zhaojy@ciomp.ac.cn" ]
- 基金信息：
  
  国家863高科技研究发展计划资助项目(2011AAXXX2035);中国科学院长春光学精密机械与物理研究所三期创新工程资助项目(065X32CN60)
- DOI：10.3788/OPE.20172507.1954
  中图分类号： TP391.4;P123.46
- 收稿日期：2016-10-19，
  
  录用日期：2016-12-19，
  
  纸质出版日期：2017-07-25
- 稿件说明：
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王敏, 赵金宇, 陈涛. 基于距离矩阵的星图运动目标检测[J]. 光学精密工程, 2017,25(7):1954-1960.

Min WANG, Jin-yu ZHAO, Tao CHEN. Moving target detection in star map based on distance matrix[J]. Optics and precision engineering, 2017, 25(7): 1954-1960.
王敏, 赵金宇, 陈涛. 基于距离矩阵的星图运动目标检测[J]. 光学精密工程, 2017,25(7):1954-1960. DOI： 10.3788/OPE.20172507.1954.

Min WANG, Jin-yu ZHAO, Tao CHEN. Moving target detection in star map based on distance matrix[J]. Optics and precision engineering, 2017, 25(7): 1954-1960. DOI： 10.3788/OPE.20172507.1954.

摘要

为了克服传统星图空间运动目标检测方法对星图帧间图像亮度、帧间配准以及成像模式等具有敏感度较高的缺点，利用星点间拓扑结构稳定的特性，提出了基于距离矩阵的星图运动目标检测方法。该方法首先对各帧星图独立检测目标，然后构建星点的距离矩阵，并与相邻帧星图的距离矩阵作减法，则得到运动目标对应的距离变化较大的一些列（行），利用这个性质完成运动目标的检测。由于距离矩阵与星图成像条件无关，只受运动目标的影响，因此该方法对星图帧间图像亮度、观测平台抖动、帧间失配以及成像模式等具有鲁棒性。仿真试验和真实数据试验表明，该方法在帧间失配等情况下，仍然能够从背景恒星中有效地识别空间运动目标。与传统方法比较，本文方法具有更低的虚警率。

Abstract

In order to overcome defects with higher sensibility of moving target detection method for traditional star map space on image brightness among star map frames

frame-to-frame registration

imaging mode and others

taking advantages of the stable feature of the topological structure among star points

a moving target detection method in the star map based on the distance matrix was proposed. The method was used to independently detect targets of all frames of star map; then

it was used to establish the distance matrix of star points and to subtract the distance matrix for consecutive frame of the star map; the corresponding distance of moving target varied greatly; taking advantages of the property

the detection on the moving target was completed. As the distance matrix was irrelevant to the imaging condition of the star map but was influenced by the moving target

thus the method had robustness on image brightness among star map frames

shaking of the observation platform

inter-frame mismatch

imaging mode and others. The simulation experiment and the truthful data experiment show that the method can be used to effectively identify spatially moving targets in background fixed stars under the condition of inter-frame mismatch. Comparing with the tradition method

the method in the thesis has lower false alarm rate.

关键词

Keywords

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